package filter;

import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;

/**
 * Servlet Filter implementation class CharacterEncodingFilter
 */
 
public class CharacterEncodingFilter implements Filter {
	private String encoding ;

	@Override
	public void init(FilterConfig fconfig) throws ServletException {
		this.encoding=fconfig.getInitParameter("encoding");
		
	}
	@Override
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
			throws IOException, ServletException {
		if(encoding!=null){
			request.setCharacterEncoding(encoding);
			response.setContentType("text/html;charset=utf-8");
			response.setCharacterEncoding(encoding);
		}
		chain.doFilter(request, response);
	}

	@Override
	public void destroy() {
		// TODO Auto-generated method stub
		
	}

}
